* { }
#canvas { width:50%; height:500px; margin:0 auto; position:relative; border: 1px solid; background-color:black; }
#canvas canvas { position:absolute; top:0; left:0; }
#canvas .score { position:absolute; top:0; right:10px; color:white; }
#canvas .title { position:absolute; top:45%; left:0; width:100%; text-align:center; font-weight:bold; color:white; }